Rudy Giuliani is Himself in The Non-Fat Yogurt (Season 5 - Episode 7).

Sab Shimono is Executive #1 in The Checks (Season 8 Episode 7).

Sam Lloyd is Ricky in The Cigar Store Indian (Season 5 Episode 10) and in The Pie (Season 5 Episode 15).

Sandy Baron is Jack Klompus in 6 episodes. The first The Pen (Season 3 Episode 3).

Sandy Ward is Pop Lazzari in The Gum (Season 7 Episode 10) and in The Bottle Deposit (Season 7 Episodes 21-22).

Scott Burkholder is Prisoner in The Airport (Season 4 Episode 12).

Scott LaRose is Greg in The Wife (Season 5 Episode 17).

Scott N. Stevens is Intern in The Pony Remark (Season 2 - Episode 2).

Scott Patterson is Billy in The Sponge (Season 7 Episode 9).

Shaun Toub is Pinter Ranawat in The Betrayal (Season 9 Episode 8).

Shelley Malil is Usher in The Betrayal (Season 9 Episode 8).

Sherman Howard is Roy Kordic in The Junior Mint (Season 4 Episode 20).

Sid Newman is Old Man in The Nap (Season 8 Episode 18).

Spencer Klein is Kid in The Race (Season 6 Episode 10).

Stan Sellers is Fred in The Comeback (Season 8 Episode 13).

Stanley Anderson is Judge Arthur Vandelay in The Finale (Season 9 - Episode 22).

Stephen Caffrey is Arnie in The Yada Yada (Season 8 Episode 19).

Stephen Lee is Conrad, Connie, or Con, whatever you prefer. He portrays the indecisive contractor of Jerry's new kitchen cabinets. He appears in The Nap (Season 8 Episode 18).

Stephen McHattie is Dr. Reston in 4 episodes. The first: The Pitch (Season 4 Episode 3).

Stephen Pearlman is Mr. Goldstein in The Raincoats (Season 5 Episode 18).

Stephen Root is Mr. Lager, the manager of Federal Home Savings Bank, in The Invitations (Season 7 Episode 24).

Stephen Tobolowsky is Tor Eckman, the holistic healer in The Heart Attack (Season 2 Episode 8).

Steve Brady is Man at Party in The Mom and Pop Store (Season 6 Episode 8).

Steve Eastin is Cop #1 in The Ticket (Season 4 - Episode 4).

Steve Hytner is Kenny Bania in 6 episodes. The first: The Soup (Season 6 Episode 7).

Steve Ireland is the music guy in The Rye (Season 7 Episode 11).

Steve Susskind is Customer in The Dealership (Season 9 - Episode 11).